18440483984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:817

約数の個数: 160

約数和(自身を含む): 41768576640

約数和(自身を除く): 23328092656

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 59, 68, 104, 118, 136, 157, 208, 221, 236, 272, 314, 442, 472, 563, 628, 767, 884, 944, 1003, 1126, 1256, 1534, 1768, 2006, 2041, 2252, 2512, 2669, 3068, 3536, 4012, 4082, 4504, 5338, 6136, 7319, 8024, 8164, 9008, 9263, 9571, 10676, 12272, 13039, 14638, 16048, 16328, 18526, 19142, 21352, 26078, 29276, 32656, 33217, 34697, 37052, 38284, 42704, 52156, 58552, 66434, 69394, 74104, 76568, 88391, 104312, 117104, 120419, 124423, 132868, 138788, 148208, 153136, 157471, 176782, 208624, 240838, 248846, 265736, 277576, 314942, 353564, 431821, 481676, 497692, 531472, 555152, 564689, 629884, 707128, 863642, 963352, 995384, 1129378, 1149083, 1259768, 1414256, 1502647, 1727284, 1926704, 1990768, 2047123, 2258756, 2298166, 2519536, 3005294, 3454568, 4094246, 4517512, 4596332, 5215069, 6010588, 6909136, 7340957, 8188492, 9035024, 9192664, 10430138, 12021176, 14681914, 16376984, 18385328, 19534411, 20860276, 24042352, 29363828, 32753968, 39068822, 41720552, 58727656, 67795897, 78137644, 83441104, 88656173, 117455312, 135591794, 156275288, 177312346, 271183588, 312550576, 354624692, 542367176, 709249384, 1084734352, 1152530249, 1418498768, 2305060498, 4610120996, 9220241992, 18440483984]

約数ペア:

[(1, 18440483984), (2, 9220241992), (4, 4610120996), (8, 2305060498), (13, 1418498768), (16, 1152530249), (17, 1084734352), (26, 709249384), (34, 542367176), (52, 354624692), (59, 312550576), (68, 271183588), (104, 177312346), (118, 156275288), (136, 135591794), (157, 117455312), (208, 88656173), (221, 83441104), (236, 78137644), (272, 67795897), (314, 58727656), (442, 41720552), (472, 39068822), (563, 32753968), (628, 29363828), (767, 24042352), (884, 20860276), (944, 19534411), (1003, 18385328), (1126, 16376984), (1256, 14681914), (1534, 12021176), (1768, 10430138), (2006, 9192664), (2041, 9035024), (2252, 8188492), (2512, 7340957), (2669, 6909136), (3068, 6010588), (3536, 5215069), (4012, 4596332), (4082, 4517512), (4504, 4094246), (5338, 3454568), (6136, 3005294), (7319, 2519536), (8024, 2298166), (8164, 2258756), (9008, 2047123), (9263, 1990768), (9571, 1926704), (10676, 1727284), (12272, 1502647), (13039, 1414256), (14638, 1259768), (16048, 1149083), (16328, 1129378), (18526, 995384), (19142, 963352), (21352, 863642), (26078, 707128), (29276, 629884), (32656, 564689), (33217, 555152), (34697, 531472), (37052, 497692), (38284, 481676), (42704, 431821), (52156, 353564), (58552, 314942), (66434, 277576), (69394, 265736), (74104, 248846), (76568, 240838), (88391, 208624), (104312, 176782), (117104, 157471), (120419, 153136), (124423, 148208), (132868, 138788)]